Sustain Design Studio, creator of the original and enormously popular miniHome, recently announced a new design called caliMini made specifically for the western United States. CaliMini will be built in California and offered in four models ranging in size from about 611 – 1,190 square feet (not counting the loft). Plus, one of these eco-friendly, contemporary homes will be on display at Dwell on Design 2012 in June, according to Sustain.

As mentioned a couple weeks ago, Oregon-based Ideabox created a new prefab in collaboration with IKEA Portland for the Portland Home & Garden Show going on right now, February 22-26, 2012. In case you’re not in the area, here are some photos of the fresh new home. Ideabox Aktiv features tons of IKEA products and showcases a cost-effective home that can be built with open spaces, vaulted ceilings, and clean lines.

Tetra Pak and similar gable-top cartons have many advantages such as keeping food fresher for a longer period of time. However, one drawback has been that these polyethylene-coated packages cannot be processed in most curbside recycling programs. The ReWall Company, on the other hand, can’t get enough of the stuff.

Since its launch, Boulder-based Studio Shed has shown impressive growth. The company recently announced the launch of Studio Shed Lifestyle, Small Kits, and Garage+ — which means Studio Shed offers anything from a compact storage structure to a fully-finished 600+ square-foot studio. And with a solar-powered factory, the company is in a great position to help homeowners create eco-friendly space when and to the extent needed.

This is the Blanco River House by Austin-based Ma Modular. The home, located in Wimberley, Texas, has three bedrooms, two bathrooms, 1,400 square feet, and tons of outdoor deck space. Ma Modular delivered the prefab home with 2×6 exterior wall construction, Gerkin windows with thermally broken frames, a Galvalume double-lock standing-seam metal roof, and an Energy Star heating and cooling system, etc. All together, this home was built for $140 per square foot.